emmastorm5
Peugeot 407 Reduced Engine Power
Summary of the thread
A 2007 Peugeot 407 diesel experienced reduced engine power and stored an error in the memory. The issue was identified as faulty chip tuning, which was confirmed after a diagnostic check. The problem was resolved by addressing the chip tuning fault.
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4 comment(s)
emmastorm5 (community.author)
No recent work, just happened. Check engine light is on. What did yours end up being?
simonscholz1
Mine was some dodgy chip tuning from a third-party provider that caused all sorts of problems. Best get a car diagnostic done. I'd suggest going to a workshop, they should be able to read the error memory. Cost me 180€ to fix in the end.
emmastorm5 (community.author)
Thanks for the advice. Took it in and you were spot on – faulty chip tuning! All sorted now.
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PEUGEOT
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407
simonscholz1
Hey, I had a similar issue with my 407! Was it after any recent work? Did you check for any dashboard lights or use a scanner? Sounds like what I went through…